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<?php var_dump(!gmp_init("123")); ?>
Output for 7.1.0 - 7.2.0
Recoverable fatal error: Object of class GMP could not be converted to boolean in /in/9M8NB on line 2
Process exited with code 255.
Output for 5.6.0 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20
Catchable fatal error: Object of class GMP could not be converted to boolean in /in/9M8NB on line 2
Process exited with code 255.
Output for 7.0.6 - 7.0.10
Fatal error: Uncaught Error: Call to undefined function gmp_init() in /in/9M8NB:2 Stack trace: #0 {main} thrown in /in/9M8NB on line 2
Process exited with code 255.
Output for 5.5.35 - 5.5.38, 5.6.21 - 5.6.25
Fatal error: Call to undefined function gmp_init() in /in/9M8NB on line 2
Process exited with code 255.
Output for 5.5.0 - 5.5.34
bool(false)